import java.util.*;
public class Main {
    public static void main(String args[]) {
        LinkedList < String > list = new LinkedList < String > ();
        LinkedList < String > list2 = new LinkedList < String > ();
        int currentWordIndex = 0;

        Scanner scanner = new Scanner(System.in);
        do {
            String line = scanner.nextLine();

            if (line.equals("STOP")) {
                break;
            }

            list.add(line);
        }
        while (true);

        do {
            if (list2.indexOf(list.get(currentWordIndex)) == -1) {
                list2.add(list.get(currentWordIndex));
            }

            currentWordIndex ++;
        }
        while (currentWordIndex < list.size());
    
        System.out.println("Prima lista");
        Iterator < String > iterator1 = list.iterator();
        while (iterator1.hasNext()) {
            System.out.println(iterator1.next());
        }
        
        System.out.println("--------");
        System.out.println("A doua lista");
        Iterator < String > iterator2 = list2.iterator();
        while (iterator2.hasNext()) {
            System.out.println(iterator2.next());
        }
    }
}